| |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <ctype.h> |
| #include <termios.h> |
| |
| #include <sys/utsname.h> |
| #include <sys/param.h> |
| |
| #include <arpa/telnet.h> |
| |
| #include "cardshell.h" |
| #include <vty/vty.h> |
| #include <vty/command.h> |
| #include <vty/buffer.h> |
| #include <osmocore/talloc.h> |
| |
| /* our callback, located in telnet_interface.c */ |
| void vty_event(enum event event, int sock, struct vty *vty); |
| |
| extern struct host host; |
| |
| /* Vector which store each vty structure. */ |
| static vector vtyvec; |
| |
| vector Vvty_serv_thread; |
| |
| char *vty_cwd = NULL; |
| |
| /* Configure lock. */ |
| static int vty_config; |
| |
| static int no_password_check = 1; |
| |
| void *tall_vty_ctx; |
| |
| static void vty_clear_buf(struct vty *vty) |
| { |
| memset(vty->buf, 0, vty->max); |
| } |
| |
| /* Allocate new vty struct. */ |
| struct vty *vty_new() |
| { |
| struct vty *new = talloc_zero(tall_vty_ctx, struct vty); |
| |
| if (!new) |
| goto out; |
| |
| new->obuf = buffer_new(new, 0); /* Use default buffer size. */ |
| if (!new->obuf) |
| goto out_new; |
| new->buf = _talloc_zero(new, VTY_BUFSIZ, "vty_new->buf"); |
| if (!new->buf) |
| goto out_obuf; |
| |
| new->max = VTY_BUFSIZ; |
| |
| return new; |
| |
| out_obuf: |
| buffer_free(new->obuf); |
| out_new: |
| talloc_free(new); |
| new = NULL; |
| out: |
| return new; |
| } |
| |
| /* Authentication of vty */ |
| static void vty_auth(struct vty *vty, char *buf) |
| { |
| char *passwd = NULL; |
| enum node_type next_node = 0; |
| int fail; |
| char *crypt(const char *, const char *); |
| |
| switch (vty->node) { |
| case AUTH_NODE: |
| #ifdef VTY_CRYPT_PW |
| if (host.encrypt) |
| passwd = host.password_encrypt; |
| else |
| #endif |
| passwd = host.password; |
| if (host.advanced) |
| next_node = host.enable ? VIEW_NODE : ENABLE_NODE; |
| else |
| next_node = VIEW_NODE; |
| break; |
| case AUTH_ENABLE_NODE: |
| #ifdef VTY_CRYPT_PW |
| if (host.encrypt) |
| passwd = host.enable_encrypt; |
| else |
| #endif |
| passwd = host.enable; |
| next_node = ENABLE_NODE; |
| break; |
| } |
| |
| if (passwd) { |
| #ifdef VTY_CRYPT_PW |
| if (host.encrypt) |
| fail = strcmp(crypt(buf, passwd), passwd); |
| else |
| #endif |
| fail = strcmp(buf, passwd); |
| } else |
| fail = 1; |
| |
| if (!fail) { |
| vty->fail = 0; |
| vty->node = next_node; /* Success ! */ |
| } else { |
| vty->fail++; |
| if (vty->fail >= 3) { |
| if (vty->node == AUTH_NODE) { |
| vty_out(vty, |
| "%% Bad passwords, too many failures!%s", |
| VTY_NEWLINE); |
| vty->status = VTY_CLOSE; |
| } else { |
| /* AUTH_ENABLE_NODE */ |
| vty->fail = 0; |
| vty_out(vty, |
| "%% Bad enable passwords, too many failures!%s", |
| VTY_NEWLINE); |
| vty->node = VIEW_NODE; |
| } |
| } |
| } |
| } |
| |
| /* Close vty interface. */ |
| void vty_close(struct vty *vty) |
| { |
| int i; |
| |
| if (vty->obuf) { |
| /* Flush buffer. */ |
| buffer_flush_all(vty->obuf, vty->fd); |
| |
| /* Free input buffer. */ |
| buffer_free(vty->obuf); |
| vty->obuf = NULL; |
| } |
| |
| /* Free command history. */ |
| for (i = 0; i < VTY_MAXHIST; i++) |
| if (vty->hist[i]) |
| talloc_free(vty->hist[i]); |
| |
| /* Unset vector. */ |
| vector_unset(vtyvec, vty->fd); |
| |
| /* Close socket. */ |
| if (vty->fd > 0) |
| close(vty->fd); |
| |
| if (vty->buf) { |
| talloc_free(vty->buf); |
| vty->buf = NULL; |
| } |
| |
| /* Check configure. */ |
| vty_config_unlock(vty); |
| |
| /* VTY_CLOSED is handled by the telnet_interface */ |
| vty_event(VTY_CLOSED, vty->fd, vty); |
| |
| /* OK free vty. */ |
| talloc_free(vty); |
| } |
| |
| int vty_shell(struct vty *vty) |
| { |
| return vty->type == VTY_SHELL ? 1 : 0; |
| } |
| |
| |
| /* VTY standard output function. */ |
| int vty_out(struct vty *vty, const char *format, ...) |
| { |
| va_list args; |
| int len = 0; |
| int size = 1024; |
| char buf[1024]; |
| char *p = NULL; |
| |
| if (vty_shell(vty)) { |
| va_start(args, format); |
| vprintf(format, args); |
| va_end(args); |
| } else { |
| /* Try to write to initial buffer. */ |
| va_start(args, format); |
| len = vsnprintf(buf, sizeof buf, format, args); |
| va_end(args); |
| |
| /* Initial buffer is not enough. */ |
| if (len < 0 || len >= size) { |
| while (1) { |
| if (len > -1) |
| size = len + 1; |
| else |
| size = size * 2; |
| |
| p = talloc_realloc_size(vty, p, size); |
| if (!p) |
| return -1; |
| |
| va_start(args, format); |
| len = vsnprintf(p, size, format, args); |
| va_end(args); |
| |
| if (len > -1 && len < size) |
| break; |
| } |
| } |
| |
| /* When initial buffer is enough to store all output. */ |
| if (!p) |
| p = buf; |
| |
| /* Pointer p must point out buffer. */ |
| buffer_put(vty->obuf, (u_char *) p, len); |
| |
| /* If p is not different with buf, it is allocated buffer. */ |
| if (p != buf) |
| talloc_free(p); |
| } |
| |
| vty_event(VTY_WRITE, vty->fd, vty); |
| |
| return len; |
| } |
| |
| int vty_out_newline(struct vty *vty) |
| { |
| char *p = vty_newline(vty); |
| buffer_put(vty->obuf, p, strlen(p)); |
| return 0; |
| } |
| |
| int vty_config_lock(struct vty *vty) |
| { |
| if (vty_config == 0) { |
| vty->config = 1; |
| vty_config = 1; |
| } |
| return vty->config; |
| } |
| |
| int vty_config_unlock(struct vty *vty) |
| { |
| if (vty_config == 1 && vty->config == 1) { |
| vty->config = 0; |
| vty_config = 0; |
| } |
| return vty->config; |
| } |
| |
| /* Say hello to vty interface. */ |
| void vty_hello(struct vty *vty) |
| { |
| if (host.motdfile) { |
| FILE *f; |
| char buf[4096]; |
| |
| f = fopen(host.motdfile, "r"); |
| if (f) { |
| while (fgets(buf, sizeof(buf), f)) { |
| char *s; |
| /* work backwards to ignore trailling isspace() */ |
| for (s = buf + strlen(buf); |
| (s > buf) && isspace(*(s - 1)); s--) ; |
| *s = '\0'; |
| vty_out(vty, "%s%s", buf, VTY_NEWLINE); |
| } |
| fclose(f); |
| } else |
| vty_out(vty, "MOTD file not found%s", VTY_NEWLINE); |
| } else if (host.motd) |
| vty_out(vty, "%s", host.motd); |
| } |
| |
| /* Put out prompt and wait input from user. */ |
| static void vty_prompt(struct vty *vty) |
| { |
| struct utsname names; |
| const char *hostname; |
| |
| if (vty->type == VTY_TERM) { |
| hostname = host.name; |
| if (!hostname) { |
| uname(&names); |
| hostname = names.nodename; |
| } |
| vty_out(vty, cmd_prompt(vty->node), hostname); |
| } |
| } |
| |
| /* Command execution over the vty interface. */ |
| static int vty_command(struct vty *vty, char *buf) |
| { |
| int ret; |
| vector vline; |
| |
| /* Split readline string up into the vector */ |
| vline = cmd_make_strvec(buf); |
| |
| if (vline == NULL) |
| return CMD_SUCCESS; |
| |
| ret = cmd_execute_command(vline, vty, NULL, 0); |
| if (ret != CMD_SUCCESS) |
| switch (ret) { |
| case CMD_WARNING: |
| if (vty->type == VTY_FILE) |
| vty_out(vty, "Warning...%s", VTY_NEWLINE); |
| break; |
| case CMD_ERR_AMBIGUOUS: |
| vty_out(vty, "%% Ambiguous command.%s", VTY_NEWLINE); |
| break; |
| case CMD_ERR_NO_MATCH: |
| vty_out(vty, "%% Unknown command.%s", VTY_NEWLINE); |
| break; |
| case CMD_ERR_INCOMPLETE: |
| vty_out(vty, "%% Command incomplete.%s", VTY_NEWLINE); |
| break; |
| } |
| cmd_free_strvec(vline); |
| |
| return ret; |
| } |
| |
| static const char telnet_backward_char = 0x08; |
| static const char telnet_space_char = ' '; |
| |
| /* Basic function to write buffer to vty. */ |
| static void vty_write(struct vty *vty, const char *buf, size_t nbytes) |
| { |
| if ((vty->node == AUTH_NODE) || (vty->node == AUTH_ENABLE_NODE)) |
| return; |
| |
| /* Should we do buffering here ? And make vty_flush (vty) ? */ |
| buffer_put(vty->obuf, buf, nbytes); |
| } |
| |
| /* Ensure length of input buffer. Is buffer is short, double it. */ |
| static void vty_ensure(struct vty *vty, int length) |
| { |
| if (vty->max <= length) { |
| vty->max *= 2; |
| vty->buf = talloc_realloc_size(vty, vty->buf, vty->max); |
| // FIXME: check return |
| } |
| } |
| |
| /* Basic function to insert character into vty. */ |
| static void vty_self_insert(struct vty *vty, char c) |
| { |
| int i; |
| int length; |
| |
| vty_ensure(vty, vty->length + 1); |
| length = vty->length - vty->cp; |
| memmove(&vty->buf[vty->cp + 1], &vty->buf[vty->cp], length); |
| vty->buf[vty->cp] = c; |
| |
| vty_write(vty, &vty->buf[vty->cp], length + 1); |
| for (i = 0; i < length; i++) |
| vty_write(vty, &telnet_backward_char, 1); |
| |
| vty->cp++; |
| vty->length++; |
| } |
| |
| /* Self insert character 'c' in overwrite mode. */ |
| static void vty_self_insert_overwrite(struct vty *vty, char c) |
| { |
| vty_ensure(vty, vty->length + 1); |
| vty->buf[vty->cp++] = c; |
| |
| if (vty->cp > vty->length) |
| vty->length++; |
| |
| if ((vty->node == AUTH_NODE) || (vty->node == AUTH_ENABLE_NODE)) |
| return; |
| |
| vty_write(vty, &c, 1); |
| } |
| |
| /* Insert a word into vty interface with overwrite mode. */ |
| static void vty_insert_word_overwrite(struct vty *vty, char *str) |
| { |
| int len = strlen(str); |
| vty_write(vty, str, len); |
| strcpy(&vty->buf[vty->cp], str); |
| vty->cp += len; |
| vty->length = vty->cp; |
| } |
| |
| /* Forward character. */ |
| static void vty_forward_char(struct vty *vty) |
| { |
| if (vty->cp < vty->length) { |
| vty_write(vty, &vty->buf[vty->cp], 1); |
| vty->cp++; |
| } |
| } |
| |
| /* Backward character. */ |
| static void vty_backward_char(struct vty *vty) |
| { |
| if (vty->cp > 0) { |
| vty->cp--; |
| vty_write(vty, &telnet_backward_char, 1); |
| } |
| } |
| |
| /* Move to the beginning of the line. */ |
| static void vty_beginning_of_line(struct vty *vty) |
| { |
| while (vty->cp) |
| vty_backward_char(vty); |
| } |
| |
| /* Move to the end of the line. */ |
| static void vty_end_of_line(struct vty *vty) |
| { |
| while (vty->cp < vty->length) |
| vty_forward_char(vty); |
| } |
| |
| /* Add current command line to the history buffer. */ |
| static void vty_hist_add(struct vty *vty) |
| { |
| int index; |
| |
| if (vty->length == 0) |
| return; |
| |
| index = vty->hindex ? vty->hindex - 1 : VTY_MAXHIST - 1; |
| |
| /* Ignore the same string as previous one. */ |
| if (vty->hist[index]) |
| if (strcmp(vty->buf, vty->hist[index]) == 0) { |
| vty->hp = vty->hindex; |
| return; |
| } |
| |
| /* Insert history entry. */ |
| if (vty->hist[vty->hindex]) |
| talloc_free(vty->hist[vty->hindex]); |
| vty->hist[vty->hindex] = talloc_strdup(vty, vty->buf); |
| |
| /* History index rotation. */ |
| vty->hindex++; |
| if (vty->hindex == VTY_MAXHIST) |
| vty->hindex = 0; |
| |
| vty->hp = vty->hindex; |
| } |
| |
| /* Get telnet window size. */ |
| static int |
| vty_telnet_option (struct vty *vty, unsigned char *buf, int nbytes) |
| { |
| #ifdef TELNET_OPTION_DEBUG |
| int i; |
| |
| for (i = 0; i < nbytes; i++) |
| { |
| switch (buf[i]) |
| { |
| case IAC: |
| vty_out (vty, "IAC "); |
| break; |
| case WILL: |
| vty_out (vty, "WILL "); |
| break; |
| case WONT: |
| vty_out (vty, "WONT "); |
| break; |
| case DO: |
| vty_out (vty, "DO "); |
| break; |
| case DONT: |
| vty_out (vty, "DONT "); |
| break; |
| case SB: |
| vty_out (vty, "SB "); |
| break; |
| case SE: |
| vty_out (vty, "SE "); |
| break; |
| case TELOPT_ECHO: |
| vty_out (vty, "TELOPT_ECHO %s", VTY_NEWLINE); |
| break; |
| case TELOPT_SGA: |
| vty_out (vty, "TELOPT_SGA %s", VTY_NEWLINE); |
| break; |
| case TELOPT_NAWS: |
| vty_out (vty, "TELOPT_NAWS %s", VTY_NEWLINE); |
| break; |
| default: |
| vty_out (vty, "%x ", buf[i]); |
| break; |
| } |
| } |
| vty_out (vty, "%s", VTY_NEWLINE); |
| |
| #endif /* TELNET_OPTION_DEBUG */ |
| |
| switch (buf[0]) |
| { |
| case SB: |
| vty->sb_len = 0; |
| vty->iac_sb_in_progress = 1; |
| return 0; |
| break; |
| case SE: |
| { |
| if (!vty->iac_sb_in_progress) |
| return 0; |
| |
| if ((vty->sb_len == 0) || (vty->sb_buf[0] == '\0')) |
| { |
| vty->iac_sb_in_progress = 0; |
| return 0; |
| } |
| switch (vty->sb_buf[0]) |
| { |
| case TELOPT_NAWS: |
| if (vty->sb_len != TELNET_NAWS_SB_LEN) |
| vty_out(vty,"RFC 1073 violation detected: telnet NAWS option " |
| "should send %d characters, but we received %lu", |
| TELNET_NAWS_SB_LEN, (u_long)vty->sb_len); |
| else if (sizeof(vty->sb_buf) < TELNET_NAWS_SB_LEN) |
| vty_out(vty, "Bug detected: sizeof(vty->sb_buf) %lu < %d, " |
| "too small to handle the telnet NAWS option", |
| (u_long)sizeof(vty->sb_buf), TELNET_NAWS_SB_LEN); |
| else |
| { |
| vty->width = ((vty->sb_buf[1] << 8)|vty->sb_buf[2]); |
| vty->height = ((vty->sb_buf[3] << 8)|vty->sb_buf[4]); |
| #ifdef TELNET_OPTION_DEBUG |
| vty_out(vty, "TELNET NAWS window size negotiation completed: " |
| "width %d, height %d%s", |
| vty->width, vty->height, VTY_NEWLINE); |
| #endif |
| } |
| break; |
| } |
| vty->iac_sb_in_progress = 0; |
| return 0; |
| break; |
| } |
| default: |
| break; |
| } |
| return 1; |
| } |
| |
| /* Execute current command line. */ |
| static int vty_execute(struct vty *vty) |
| { |
| int ret; |
| |
| ret = CMD_SUCCESS; |
| |
| switch (vty->node) { |
| case AUTH_NODE: |
| case AUTH_ENABLE_NODE: |
| vty_auth(vty, vty->buf); |
| break; |
| default: |
| ret = vty_command(vty, vty->buf); |
| if (vty->type == VTY_TERM) |
| vty_hist_add(vty); |
| break; |
| } |
| |
| /* Clear command line buffer. */ |
| vty->cp = vty->length = 0; |
| vty_clear_buf(vty); |
| |
| if (vty->status != VTY_CLOSE) |
| vty_prompt(vty); |
| |
| return ret; |
| } |
| |
| /* Send WILL TELOPT_ECHO to remote server. */ |
| static void |
| vty_will_echo (struct vty *vty) |
| { |
| unsigned char cmd[] = { IAC, WILL, TELOPT_ECHO, '\0' }; |
| vty_out (vty, "%s", cmd); |
| } |
| |
| /* Make suppress Go-Ahead telnet option. */ |
| static void |
| vty_will_suppress_go_ahead (struct vty *vty) |
| { |
| unsigned char cmd[] = { IAC, WILL, TELOPT_SGA, '\0' }; |
| vty_out (vty, "%s", cmd); |
| } |
| |
| /* Make don't use linemode over telnet. */ |
| static void |
| vty_dont_linemode (struct vty *vty) |
| { |
| unsigned char cmd[] = { IAC, DONT, TELOPT_LINEMODE, '\0' }; |
| vty_out (vty, "%s", cmd); |
| } |
| |
| /* Use window size. */ |
| static void |
| vty_do_window_size (struct vty *vty) |
| { |
| unsigned char cmd[] = { IAC, DO, TELOPT_NAWS, '\0' }; |
| vty_out (vty, "%s", cmd); |
| } |
| |
| static void vty_kill_line_from_beginning(struct vty *); |
| static void vty_redraw_line(struct vty *); |
| |
| /* Print command line history. This function is called from |
| vty_next_line and vty_previous_line. */ |
| static void vty_history_print(struct vty *vty) |
| { |
| int length; |
| |
| vty_kill_line_from_beginning(vty); |
| |
| /* Get previous line from history buffer */ |
| length = strlen(vty->hist[vty->hp]); |
| memcpy(vty->buf, vty->hist[vty->hp], length); |
| vty->cp = vty->length = length; |
| |
| /* Redraw current line */ |
| vty_redraw_line(vty); |
| } |
| |
| /* Show next command line history. */ |
| static void vty_next_line(struct vty *vty) |
| { |
| int try_index; |
| |
| if (vty->hp == vty->hindex) |
| return; |
| |
| /* Try is there history exist or not. */ |
| try_index = vty->hp; |
| if (try_index == (VTY_MAXHIST - 1)) |
| try_index = 0; |
| else |
| try_index++; |
| |
| /* If there is not history return. */ |
| if (vty->hist[try_index] == NULL) |
| return; |
| else |
| vty->hp = try_index; |
| |
| vty_history_print(vty); |
| } |
| |
| /* Show previous command line history. */ |
| static void vty_previous_line(struct vty *vty) |
| { |
| int try_index; |
| |
| try_index = vty->hp; |
| if (try_index == 0) |
| try_index = VTY_MAXHIST - 1; |
| else |
| try_index--; |
| |
| if (vty->hist[try_index] == NULL) |
| return; |
| else |
| vty->hp = try_index; |
| |
| vty_history_print(vty); |
| } |
| |
| /* This function redraw all of the command line character. */ |
| static void vty_redraw_line(struct vty *vty) |
| { |
| vty_write(vty, vty->buf, vty->length); |
| vty->cp = vty->length; |
| } |
| |
| /* Forward word. */ |
| static void vty_forward_word(struct vty *vty) |
| { |
| while (vty->cp != vty->length && vty->buf[vty->cp] != ' ') |
| vty_forward_char(vty); |
| |
| while (vty->cp != vty->length && vty->buf[vty->cp] == ' ') |
| vty_forward_char(vty); |
| } |
| |
| /* Backward word without skipping training space. */ |
| static void vty_backward_pure_word(struct vty *vty) |
| { |
| while (vty->cp > 0 && vty->buf[vty->cp - 1] != ' ') |
| vty_backward_char(vty); |
| } |
| |
| /* Backward word. */ |
| static void vty_backward_word(struct vty *vty) |
| { |
| while (vty->cp > 0 && vty->buf[vty->cp - 1] == ' ') |
| vty_backward_char(vty); |
| |
| while (vty->cp > 0 && vty->buf[vty->cp - 1] != ' ') |
| vty_backward_char(vty); |
| } |
| |
| /* When '^D' is typed at the beginning of the line we move to the down |
| level. */ |
| static void vty_down_level(struct vty *vty) |
| { |
| vty_out(vty, "%s", VTY_NEWLINE); |
| (*config_exit_cmd.func) (NULL, vty, 0, NULL); |
| vty_prompt(vty); |
| vty->cp = 0; |
| } |
| |
| /* When '^Z' is received from vty, move down to the enable mode. */ |
| static void vty_end_config(struct vty *vty) |
| { |
| vty_out(vty, "%s", VTY_NEWLINE); |
| |
| switch (vty->node) { |
| case VIEW_NODE: |
| case ENABLE_NODE: |
| /* Nothing to do. */ |
| break; |
| case CONFIG_NODE: |
| case VTY_NODE: |
| vty_config_unlock(vty); |
| vty->node = ENABLE_NODE; |
| break; |
| default: |
| /* Unknown node, we have to ignore it. */ |
| break; |
| } |
| |
| vty_prompt(vty); |
| vty->cp = 0; |
| } |
| |
| /* Delete a charcter at the current point. */ |
| static void vty_delete_char(struct vty *vty) |
| { |
| int i; |
| int size; |
| |
| if (vty->node == AUTH_NODE || vty->node == AUTH_ENABLE_NODE) |
| return; |
| |
| if (vty->length == 0) { |
| vty_down_level(vty); |
| return; |
| } |
| |
| if (vty->cp == vty->length) |
| return; /* completion need here? */ |
| |
| size = vty->length - vty->cp; |
| |
| vty->length--; |
| memmove(&vty->buf[vty->cp], &vty->buf[vty->cp + 1], size - 1); |
| vty->buf[vty->length] = '\0'; |
| |
| vty_write(vty, &vty->buf[vty->cp], size - 1); |
| vty_write(vty, &telnet_space_char, 1); |
| |
| for (i = 0; i < size; i++) |
| vty_write(vty, &telnet_backward_char, 1); |
| } |
| |
| /* Delete a character before the point. */ |
| static void vty_delete_backward_char(struct vty *vty) |
| { |
| if (vty->cp == 0) |
| return; |
| |
| vty_backward_char(vty); |
| vty_delete_char(vty); |
| } |
| |
| /* Kill rest of line from current point. */ |
| static void vty_kill_line(struct vty *vty) |
| { |
| int i; |
| int size; |
| |
| size = vty->length - vty->cp; |
| |
| if (size == 0) |
| return; |
| |
| for (i = 0; i < size; i++) |
| vty_write(vty, &telnet_space_char, 1); |
| for (i = 0; i < size; i++) |
| vty_write(vty, &telnet_backward_char, 1); |
| |
| memset(&vty->buf[vty->cp], 0, size); |
| vty->length = vty->cp; |
| } |
| |
| /* Kill line from the beginning. */ |
| static void vty_kill_line_from_beginning(struct vty *vty) |
| { |
| vty_beginning_of_line(vty); |
| vty_kill_line(vty); |
| } |
| |
| /* Delete a word before the point. */ |
| static void vty_forward_kill_word(struct vty *vty) |
| { |
| while (vty->cp != vty->length && vty->buf[vty->cp] == ' ') |
| vty_delete_char(vty); |
| while (vty->cp != vty->length && vty->buf[vty->cp] != ' ') |
| vty_delete_char(vty); |
| } |
| |
| /* Delete a word before the point. */ |
| static void vty_backward_kill_word(struct vty *vty) |
| { |
| while (vty->cp > 0 && vty->buf[vty->cp - 1] == ' ') |
| vty_delete_backward_char(vty); |
| while (vty->cp > 0 && vty->buf[vty->cp - 1] != ' ') |
| vty_delete_backward_char(vty); |
| } |
| |
| /* Transpose chars before or at the point. */ |
| static void vty_transpose_chars(struct vty *vty) |
| { |
| char c1, c2; |
| |
| /* If length is short or point is near by the beginning of line then |
| return. */ |
| if (vty->length < 2 || vty->cp < 1) |
| return; |
| |
| /* In case of point is located at the end of the line. */ |
| if (vty->cp == vty->length) { |
| c1 = vty->buf[vty->cp - 1]; |
| c2 = vty->buf[vty->cp - 2]; |
| |
| vty_backward_char(vty); |
| vty_backward_char(vty); |
| vty_self_insert_overwrite(vty, c1); |
| vty_self_insert_overwrite(vty, c2); |
| } else { |
| c1 = vty->buf[vty->cp]; |
| c2 = vty->buf[vty->cp - 1]; |
| |
| vty_backward_char(vty); |
| vty_self_insert_overwrite(vty, c1); |
| vty_self_insert_overwrite(vty, c2); |
| } |
| } |
| |
| /* Do completion at vty interface. */ |
| static void vty_complete_command(struct vty *vty) |
| { |
| int i; |
| int ret; |
| char **matched = NULL; |
| vector vline; |
| |
| if (vty->node == AUTH_NODE || vty->node == AUTH_ENABLE_NODE) |
| return; |
| |
| vline = cmd_make_strvec(vty->buf); |
| if (vline == NULL) |
| return; |
| |
| /* In case of 'help \t'. */ |
| if (isspace((int)vty->buf[vty->length - 1])) |
| vector_set(vline, '\0'); |
| |
| matched = cmd_complete_command(vline, vty, &ret); |
| |
| cmd_free_strvec(vline); |
| |
| vty_out(vty, "%s", VTY_NEWLINE); |
| switch (ret) { |
| case CMD_ERR_AMBIGUOUS: |
| vty_out(vty, "%% Ambiguous command.%s", VTY_NEWLINE); |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| break; |
| case CMD_ERR_NO_MATCH: |
| /* vty_out (vty, "%% There is no matched command.%s", VTY_NEWLINE); */ |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| break; |
| case CMD_COMPLETE_FULL_MATCH: |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| vty_backward_pure_word(vty); |
| vty_insert_word_overwrite(vty, matched[0]); |
| vty_self_insert(vty, ' '); |
| talloc_free(matched[0]); |
| break; |
| case CMD_COMPLETE_MATCH: |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| vty_backward_pure_word(vty); |
| vty_insert_word_overwrite(vty, matched[0]); |
| talloc_free(matched[0]); |
| break; |
| case CMD_COMPLETE_LIST_MATCH: |
| for (i = 0; matched[i] != NULL; i++) { |
| if (i != 0 && ((i % 6) == 0)) |
| vty_out(vty, "%s", VTY_NEWLINE); |
| vty_out(vty, "%-10s ", matched[i]); |
| talloc_free(matched[i]); |
| } |
| vty_out(vty, "%s", VTY_NEWLINE); |
| |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| break; |
| case CMD_ERR_NOTHING_TODO: |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| break; |
| default: |
| break; |
| } |
| if (matched) |
| vector_only_index_free(matched); |
| } |
| |
| static void |
| vty_describe_fold(struct vty *vty, int cmd_width, |
| unsigned int desc_width, struct desc *desc) |
| { |
| char *buf; |
| const char *cmd, *p; |
| int pos; |
| |
| cmd = desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd; |
| |
| if (desc_width <= 0) { |
| vty_out(vty, " %-*s %s%s", cmd_width, cmd, desc->str, |
| VTY_NEWLINE); |
| return; |
| } |
| |
| buf = _talloc_zero(vty, strlen(desc->str) + 1, "describe_fold"); |
| if (!buf) |
| return; |
| |
| for (p = desc->str; strlen(p) > desc_width; p += pos + 1) { |
| for (pos = desc_width; pos > 0; pos--) |
| if (*(p + pos) == ' ') |
| break; |
| |
| if (pos == 0) |
| break; |
| |
| strncpy(buf, p, pos); |
| buf[pos] = '\0'; |
| vty_out(vty, " %-*s %s%s", cmd_width, cmd, buf, VTY_NEWLINE); |
| |
| cmd = ""; |
| } |
| |
| vty_out(vty, " %-*s %s%s", cmd_width, cmd, p, VTY_NEWLINE); |
| |
| talloc_free(buf); |
| } |
| |
| /* Describe matched command function. */ |
| static void vty_describe_command(struct vty *vty) |
| { |
| int ret; |
| vector vline; |
| vector describe; |
| unsigned int i, width, desc_width; |
| struct desc *desc, *desc_cr = NULL; |
| |
| vline = cmd_make_strvec(vty->buf); |
| |
| /* In case of '> ?'. */ |
| if (vline == NULL) { |
| vline = vector_init(1); |
| vector_set(vline, '\0'); |
| } else if (isspace((int)vty->buf[vty->length - 1])) |
| vector_set(vline, '\0'); |
| |
| describe = cmd_describe_command(vline, vty, &ret); |
| |
| vty_out(vty, "%s", VTY_NEWLINE); |
| |
| /* Ambiguous error. */ |
| switch (ret) { |
| case CMD_ERR_AMBIGUOUS: |
| cmd_free_strvec(vline); |
| vty_out(vty, "%% Ambiguous command.%s", VTY_NEWLINE); |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| return; |
| break; |
| case CMD_ERR_NO_MATCH: |
| cmd_free_strvec(vline); |
| vty_out(vty, "%% There is no matched command.%s", VTY_NEWLINE); |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| return; |
| break; |
| } |
| |
| /* Get width of command string. */ |
| width = 0; |
| for (i = 0; i < vector_active(describe); i++) |
| if ((desc = vector_slot(describe, i)) != NULL) { |
| unsigned int len; |
| |
| if (desc->cmd[0] == '\0') |
| continue; |
| |
| len = strlen(desc->cmd); |
| if (desc->cmd[0] == '.') |
| len--; |
| |
| if (width < len) |
| width = len; |
| } |
| |
| /* Get width of description string. */ |
| desc_width = vty->width - (width + 6); |
| |
| /* Print out description. */ |
| for (i = 0; i < vector_active(describe); i++) |
| if ((desc = vector_slot(describe, i)) != NULL) { |
| if (desc->cmd[0] == '\0') |
| continue; |
| |
| if (strcmp(desc->cmd, "<cr>") == 0) { |
| desc_cr = desc; |
| continue; |
| } |
| |
| if (!desc->str) |
| vty_out(vty, " %-s%s", |
| desc->cmd[0] == |
| '.' ? desc->cmd + 1 : desc->cmd, |
| VTY_NEWLINE); |
| else if (desc_width >= strlen(desc->str)) |
| vty_out(vty, " %-*s %s%s", width, |
| desc->cmd[0] == |
| '.' ? desc->cmd + 1 : desc->cmd, |
| desc->str, VTY_NEWLINE); |
| else |
| vty_describe_fold(vty, width, desc_width, desc); |
| |
| #if 0 |
| vty_out(vty, " %-*s %s%s", width |
| desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd, |
| desc->str ? desc->str : "", VTY_NEWLINE); |
| #endif /* 0 */ |
| } |
| |
| if ((desc = desc_cr)) { |
| if (!desc->str) |
| vty_out(vty, " %-s%s", |
| desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd, |
| VTY_NEWLINE); |
| else if (desc_width >= strlen(desc->str)) |
| vty_out(vty, " %-*s %s%s", width, |
| desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd, |
| desc->str, VTY_NEWLINE); |
| else |
| vty_describe_fold(vty, width, desc_width, desc); |
| } |
| |
| cmd_free_strvec(vline); |
| vector_free(describe); |
| |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| } |
| |
| /* ^C stop current input and do not add command line to the history. */ |
| static void vty_stop_input(struct vty *vty) |
| { |
| vty->cp = vty->length = 0; |
| vty_clear_buf(vty); |
| vty_out(vty, "%s", VTY_NEWLINE); |
| |
| switch (vty->node) { |
| case VIEW_NODE: |
| case ENABLE_NODE: |
| /* Nothing to do. */ |
| break; |
| case CONFIG_NODE: |
| case VTY_NODE: |
| vty_config_unlock(vty); |
| vty->node = ENABLE_NODE; |
| break; |
| default: |
| /* Unknown node, we have to ignore it. */ |
| break; |
| } |
| vty_prompt(vty); |
| |
| /* Set history pointer to the latest one. */ |
| vty->hp = vty->hindex; |
| } |
| |
| #define CONTROL(X) ((X) - '@') |
| #define VTY_NORMAL 0 |
| #define VTY_PRE_ESCAPE 1 |
| #define VTY_ESCAPE 2 |
| |
| /* Escape character command map. */ |
| static void vty_escape_map(unsigned char c, struct vty *vty) |
| { |
| switch (c) { |
| case ('A'): |
| vty_previous_line(vty); |
| break; |
| case ('B'): |
| vty_next_line(vty); |
| break; |
| case ('C'): |
| vty_forward_char(vty); |
| break; |
| case ('D'): |
| vty_backward_char(vty); |
| break; |
| default: |
| break; |
| } |
| |
| /* Go back to normal mode. */ |
| vty->escape = VTY_NORMAL; |
| } |
| |
| /* Quit print out to the buffer. */ |
| static void vty_buffer_reset(struct vty *vty) |
| { |
| buffer_reset(vty->obuf); |
| vty_prompt(vty); |
| vty_redraw_line(vty); |
| } |
| |
| /* Read data via vty socket. */ |
| int vty_read(struct vty *vty) |
| { |
| int i; |
| int nbytes; |
| unsigned char buf[VTY_READ_BUFSIZ]; |
| |
| int vty_sock = vty->fd; |
| |
| /* Read raw data from socket */ |
| if ((nbytes = read(vty->fd, buf, VTY_READ_BUFSIZ)) <= 0) { |
| if (nbytes < 0) { |
| if (ERRNO_IO_RETRY(errno)) { |
| vty_event(VTY_READ, vty_sock, vty); |
| return 0; |
| } |
| } |
| buffer_reset(vty->obuf); |
| vty->status = VTY_CLOSE; |
| } |
| |
| for (i = 0; i < nbytes; i++) { |
| if (buf[i] == IAC) { |
| if (!vty->iac) { |
| vty->iac = 1; |
| continue; |
| } else { |
| vty->iac = 0; |
| } |
| } |
| |
| if (vty->iac_sb_in_progress && !vty->iac) { |
| if (vty->sb_len < sizeof(vty->sb_buf)) |
| vty->sb_buf[vty->sb_len] = buf[i]; |
| vty->sb_len++; |
| continue; |
| } |
| |
| if (vty->iac) { |
| /* In case of telnet command */ |
| int ret = 0; |
| ret = vty_telnet_option(vty, buf + i, nbytes - i); |
| vty->iac = 0; |
| i += ret; |
| continue; |
| } |
| |
| if (vty->status == VTY_MORE) { |
| switch (buf[i]) { |
| case CONTROL('C'): |
| case 'q': |
| case 'Q': |
| vty_buffer_reset(vty); |
| break; |
| #if 0 /* More line does not work for "show ip bgp". */ |
| case '\n': |
| case '\r': |
| vty->status = VTY_MORELINE; |
| break; |
| #endif |
| default: |
| break; |
| } |
| continue; |
| } |
| |
| /* Escape character. */ |
| if (vty->escape == VTY_ESCAPE) { |
| vty_escape_map(buf[i], vty); |
| continue; |
| } |
| |
| /* Pre-escape status. */ |
| if (vty->escape == VTY_PRE_ESCAPE) { |
| switch (buf[i]) { |
| case '[': |
| vty->escape = VTY_ESCAPE; |
| break; |
| case 'b': |
| vty_backward_word(vty); |
| vty->escape = VTY_NORMAL; |
| break; |
| case 'f': |
| vty_forward_word(vty); |
| vty->escape = VTY_NORMAL; |
| break; |
| case 'd': |
| vty_forward_kill_word(vty); |
| vty->escape = VTY_NORMAL; |
| break; |
| case CONTROL('H'): |
| case 0x7f: |
| vty_backward_kill_word(vty); |
| vty->escape = VTY_NORMAL; |
| break; |
| default: |
| vty->escape = VTY_NORMAL; |
| break; |
| } |
| continue; |
| } |
| |
| switch (buf[i]) { |
| case CONTROL('A'): |
| vty_beginning_of_line(vty); |
| break; |
| case CONTROL('B'): |
| vty_backward_char(vty); |
| break; |
| case CONTROL('C'): |
| vty_stop_input(vty); |
| break; |
| case CONTROL('D'): |
| vty_delete_char(vty); |
| break; |
| case CONTROL('E'): |
| vty_end_of_line(vty); |
| break; |
| case CONTROL('F'): |
| vty_forward_char(vty); |
| break; |
| case CONTROL('H'): |
| case 0x7f: |
| vty_delete_backward_char(vty); |
| break; |
| case CONTROL('K'): |
| vty_kill_line(vty); |
| break; |
| case CONTROL('N'): |
| vty_next_line(vty); |
| break; |
| case CONTROL('P'): |
| vty_previous_line(vty); |
| break; |
| case CONTROL('T'): |
| vty_transpose_chars(vty); |
| break; |
| case CONTROL('U'): |
| vty_kill_line_from_beginning(vty); |
| break; |
| case CONTROL('W'): |
| vty_backward_kill_word(vty); |
| break; |
| case CONTROL('Z'): |
| vty_end_config(vty); |
| break; |
| case '\n': |
| case '\r': |
| vty_out(vty, "%s", VTY_NEWLINE); |
| vty_execute(vty); |
| break; |
| case '\t': |
| vty_complete_command(vty); |
| break; |
| case '?': |
| if (vty->node == AUTH_NODE |
| || vty->node == AUTH_ENABLE_NODE) |
| vty_self_insert(vty, buf[i]); |
| else |
| vty_describe_command(vty); |
| break; |
| case '\033': |
| if (i + 1 < nbytes && buf[i + 1] == '[') { |
| vty->escape = VTY_ESCAPE; |
| i++; |
| } else |
| vty->escape = VTY_PRE_ESCAPE; |
| break; |
| default: |
| if (buf[i] > 31 && buf[i] < 127) |
| vty_self_insert(vty, buf[i]); |
| break; |
| } |
| } |
| |
| /* Check status. */ |
| if (vty->status == VTY_CLOSE) |
| vty_close(vty); |
| else { |
| vty_event(VTY_WRITE, vty_sock, vty); |
| vty_event(VTY_READ, vty_sock, vty); |
| } |
| return 0; |
| } |
| |
| /* Read up configuration file */ |
| static int |
| vty_read_file(FILE *confp) |
| { |
| int ret; |
| struct vty *vty; |
| |
| vty = vty_new(); |
| vty->fd = 0; |
| vty->type = VTY_FILE; |
| vty->node = CONFIG_NODE; |
| |
| ret = config_from_file(vty, confp); |
| |
| if (ret != CMD_SUCCESS) { |
| switch (ret) { |
| case CMD_ERR_AMBIGUOUS: |
| fprintf(stderr, "Ambiguous command.\n"); |
| break; |
| case CMD_ERR_NO_MATCH: |
| fprintf(stderr, "There is no such command.\n"); |
| break; |
| } |
| fprintf(stderr, "Error occurred during reading below " |
| "line:\n%s\n", vty->buf); |
| vty_close(vty); |
| return -EINVAL; |
| } |
| |
| vty_close(vty); |
| return 0; |
| } |
| |
| /* Create new vty structure. */ |
| struct vty * |
| vty_create (int vty_sock, void *priv) |
| { |
| struct vty *vty; |
| |
| struct termios t; |
| |
| tcgetattr(vty_sock, &t); |
| cfmakeraw(&t); |
| tcsetattr(vty_sock, TCSANOW, &t); |
| |
| /* Allocate new vty structure and set up default values. */ |
| vty = vty_new (); |
| vty->fd = vty_sock; |
| vty->priv = priv; |
| vty->type = VTY_TERM; |
| if (no_password_check) |
| { |
| if (host.advanced) |
| vty->node = ENABLE_NODE; |
| else |
| vty->node = VIEW_NODE; |
| } |
| else |
| vty->node = AUTH_NODE; |
| vty->fail = 0; |
| vty->cp = 0; |
| vty_clear_buf (vty); |
| vty->length = 0; |
| memset (vty->hist, 0, sizeof (vty->hist)); |
| vty->hp = 0; |
| vty->hindex = 0; |
| vector_set_index (vtyvec, vty_sock, vty); |
| vty->status = VTY_NORMAL; |
| if (host.lines >= 0) |
| vty->lines = host.lines; |
| else |
| vty->lines = -1; |
| |
| if (! no_password_check) |
| { |
| /* Vty is not available if password isn't set. */ |
| if (host.password == NULL && host.password_encrypt == NULL) |
| { |
| vty_out (vty, "Vty password is not set.%s", VTY_NEWLINE); |
| vty->status = VTY_CLOSE; |
| vty_close (vty); |
| return NULL; |
| } |
| } |
| |
| /* Say hello to the world. */ |
| vty_hello (vty); |
| if (! no_password_check) |
| vty_out (vty, "%sUser Access Verification%s%s", VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE); |
| |
| /* Setting up terminal. */ |
| vty_will_echo (vty); |
| vty_will_suppress_go_ahead (vty); |
| |
| vty_dont_linemode (vty); |
| vty_do_window_size (vty); |
| /* vty_dont_lflow_ahead (vty); */ |
| |
| vty_prompt (vty); |
| |
| /* Add read/write thread. */ |
| vty_event (VTY_WRITE, vty_sock, vty); |
| vty_event (VTY_READ, vty_sock, vty); |
| |
| return vty; |
| } |
| |
| DEFUN(config_who, config_who_cmd, "who", "Display who is on vty\n") |
| { |
| unsigned int i; |
| struct vty *v; |
| |
| for (i = 0; i < vector_active(vtyvec); i++) |
| if ((v = vector_slot(vtyvec, i)) != NULL) |
| vty_out(vty, "%svty[%d] %s", |
| v->config ? "*" : " ", i, VTY_NEWLINE); |
| return CMD_SUCCESS; |
| } |
| |
| /* Move to vty configuration mode. */ |
| DEFUN(line_vty, |
| line_vty_cmd, |
| "line vty", "Configure a terminal line\n" "Virtual terminal\n") |
| { |
| vty->node = VTY_NODE; |
| return CMD_SUCCESS; |
| } |
| |
| /* vty login. */ |
| DEFUN(vty_login, vty_login_cmd, "login", "Enable password checking\n") |
| { |
| no_password_check = 0; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(no_vty_login, |
| no_vty_login_cmd, "no login", NO_STR "Enable password checking\n") |
| { |
| no_password_check = 1; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(service_advanced_vty, |
| service_advanced_vty_cmd, |
| "service advanced-vty", |
| "Set up miscellaneous service\n" "Enable advanced mode vty interface\n") |
| { |
| host.advanced = 1; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(no_service_advanced_vty, |
| no_service_advanced_vty_cmd, |
| "no service advanced-vty", |
| NO_STR |
| "Set up miscellaneous service\n" "Enable advanced mode vty interface\n") |
| { |
| host.advanced = 0; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(terminal_monitor, |
| terminal_monitor_cmd, |
| "terminal monitor", |
| "Set terminal line parameters\n" |
| "Copy debug output to the current terminal line\n") |
| { |
| vty->monitor = 1; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(terminal_no_monitor, |
| terminal_no_monitor_cmd, |
| "terminal no monitor", |
| "Set terminal line parameters\n" |
| NO_STR "Copy debug output to the current terminal line\n") |
| { |
| vty->monitor = 0; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_history, |
| show_history_cmd, |
| "show history", SHOW_STR "Display the session command history\n") |
| { |
| int index; |
| |
| for (index = vty->hindex + 1; index != vty->hindex;) { |
| if (index == VTY_MAXHIST) { |
| index = 0; |
| continue; |
| } |
| |
| if (vty->hist[index] != NULL) |
| vty_out(vty, " %s%s", vty->hist[index], VTY_NEWLINE); |
| |
| index++; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| /* Display current configuration. */ |
| static int vty_config_write(struct vty *vty) |
| { |
| vty_out(vty, "line vty%s", VTY_NEWLINE); |
| |
| /* login */ |
| if (no_password_check) |
| vty_out(vty, " no login%s", VTY_NEWLINE); |
| |
| vty_out(vty, "!%s", VTY_NEWLINE); |
| |
| return CMD_SUCCESS; |
| } |
| |
| struct cmd_node vty_node = { |
| VTY_NODE, |
| "%s(config-line)# ", |
| 1, |
| }; |
| |
| /* Reset all VTY status. */ |
| void vty_reset() |
| { |
| unsigned int i; |
| struct vty *vty; |
| struct thread *vty_serv_thread; |
| |
| for (i = 0; i < vector_active(vtyvec); i++) |
| if ((vty = vector_slot(vtyvec, i)) != NULL) { |
| buffer_reset(vty->obuf); |
| vty->status = VTY_CLOSE; |
| vty_close(vty); |
| } |
| |
| for (i = 0; i < vector_active(Vvty_serv_thread); i++) |
| if ((vty_serv_thread = |
| vector_slot(Vvty_serv_thread, i)) != NULL) { |
| //thread_cancel (vty_serv_thread); |
| vector_slot(Vvty_serv_thread, i) = NULL; |
| close(i); |
| } |
| } |
| |
| static void vty_save_cwd(void) |
| { |
| char cwd[MAXPATHLEN]; |
| char *c ; |
| |
| c = getcwd(cwd, MAXPATHLEN); |
| |
| if (!c) { |
| if (chdir(SYSCONFDIR) != 0) |
| perror("chdir failed"); |
| if (getcwd(cwd, MAXPATHLEN) == NULL) |
| perror("getcwd failed"); |
| } |
| |
| vty_cwd = _talloc_zero(tall_vty_ctx, strlen(cwd) + 1, "save_cwd"); |
| strcpy(vty_cwd, cwd); |
| } |
| |
| char *vty_get_cwd() |
| { |
| return vty_cwd; |
| } |
| |
| int vty_shell_serv(struct vty *vty) |
| { |
| return vty->type == VTY_SHELL_SERV ? 1 : 0; |
| } |
| |
| void vty_init_vtysh() |
| { |
| vtyvec = vector_init(VECTOR_MIN_SIZE); |
| } |
| |
| extern void *tall_bsc_ctx; |
| /* Install vty's own commands like `who' command. */ |
| void vty_init() |
| { |
| tall_vty_ctx = talloc_named_const(NULL, 0, "vty"); |
| tall_vty_vec_ctx = talloc_named_const(tall_vty_ctx, 0, "vty_vector"); |
| tall_vty_cmd_ctx = talloc_named_const(tall_vty_ctx, 0, "vty_command"); |
| |
| /* For further configuration read, preserve current directory. */ |
| vty_save_cwd(); |
| |
| vtyvec = vector_init(VECTOR_MIN_SIZE); |
| |
| /* Install bgp top node. */ |
| install_node(&vty_node, vty_config_write); |
| |
| install_element(VIEW_NODE, &config_who_cmd); |
| install_element(VIEW_NODE, &show_history_cmd); |
| install_element(ENABLE_NODE, &config_who_cmd); |
| install_element(CONFIG_NODE, &line_vty_cmd); |
| install_element(CONFIG_NODE, &service_advanced_vty_cmd); |
| install_element(CONFIG_NODE, &no_service_advanced_vty_cmd); |
| install_element(CONFIG_NODE, &show_history_cmd); |
| install_element(ENABLE_NODE, &terminal_monitor_cmd); |
| install_element(ENABLE_NODE, &terminal_no_monitor_cmd); |
| install_element(ENABLE_NODE, &show_history_cmd); |
| |
| install_default(VTY_NODE); |
| install_element(VTY_NODE, &vty_login_cmd); |
| install_element(VTY_NODE, &no_vty_login_cmd); |
| } |
| |
| int vty_read_config_file(const char *file_name) |
| { |
| FILE *cfile; |
| int rc; |
| |
| cfile = fopen(file_name, "r"); |
| if (!cfile) |
| return -ENOENT; |
| |
| rc = vty_read_file(cfile); |
| fclose(cfile); |
| |
| host_config_set(file_name); |
| |
| return rc; |
| } |